Jan 20, 2017 · The switch was replaced with a updated one from Bomag, and I can get the 5090 code to come up by tilting it over 45 degrees. I have checked the wiring for continuity from K11 to the new switch ( ignition ), checked the wiring at X3.23 to the switch, and the ground circuit.. Machinery BOMAG, despite its highest quality, is subject to wear and breakage, as a result, which is necessary to carry out the replacement of spare parts. For a correct and quick selection of parts and accessories for machinery BOMAG, you should purchase a detailed parts catalog Bomag 2010.. Parts catalog and documantation for Bomag heavy equipment. Bomag covers the following Heavy Machines:. Towed vibratory rollers BW 6 Soil stabilizer As halt rec cler MPH 61 MPH 120 MPH 121 MPH 122 MPH 122-2 MPH 362.